Neco 2025 Government Question 11

Four statements describe provisions of different Nigerian constitutions: 1. Established a federal system with three regions and a Governor‑General as head of state. 2. Introduced a presidential system with a Vice President and a unicameral legislature. 3. Provided for an independent electoral commission (INEC) with the power to conduct elections. 4. Allowed constitutional amendment by a two‑thirds majority of both houses of the National Assembly and a referendum. These statements correspond respectively to four constitutions adopted in 1960, 1979, 1999 and an amendment adopted in 2010. Identify the year of the constitution that first introduced the independent electoral commission, and calculate the number of years between that constitution and the amendment described in statement 4.